Seiko Cal. 5677 - 454

This Hand-Winding model from 1984 features a 40mm Titanium case. It features a Cream dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-06177ae7f8e9]

Also known as: Monster, Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1984

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