Seiko Cal. 4528 - 242

The Seiko 4528-242 represents an important milestone in Seiko's 1976 lineup. Powered by the 4528 caliber with 22j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-2d9fb57e9433]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1976

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