Seiko Cal. 4548 - 230

The Seiko 4548-230 represents an important milestone in Seiko's 1974 lineup. Powered by the 4548 caliber with 19j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-ba5227a46566]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1974

Related Models

• Seiko 4425-386
• Seiko 6625-900
• Seiko 6241-328
• Seiko 3877-904
• Seiko 6334-355
• Seiko 6187-813
• Seiko 3891-319
• Seiko 6680-131
• Seiko 7122-923
• Seiko 5677-799
• Seiko 5244-574
• Seiko 6186-536