Seiko Cal. 3850 - 557

This Hand-Winding model from 1977 features a 44mm Gold-Plated case. It features a Silver dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-573a9ce63796]

Also known as: Bellmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1977

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