Seiko Cal. 4530 - 851

This Hand-Winding model from 1988 features a 45mm Titanium case. With its 22mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-aa0a5a4b6154]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1988

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