Seiko Cal. 3858 - 977

This Hand-Winding model from 1965 features a 42mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-9594dd9f7f11]

Also known as: Monster, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1965

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