Seiko Cal. 5681 - 183

This Hand-Winding model from 1987 features a 45mm Titanium case. Powered by the 5681 caliber with 24j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-e0def00dda0a]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Silver

Jewels

24j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1987

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