Seiko Cal. 4488 - 665

This Spring Drive model from 1988 features a 41mm Two-Tone case. Powered by the 4488 caliber with 31j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-c6693659cb9e]

Also known as: Turtle, Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1988

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