Seiko Cal. 4485 - 975

The Seiko 4485-975 represents an important milestone in Seiko's 1985 lineup. Powered by the 4485 caliber with 24j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-c21e596df06e]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1985

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