Seiko Cal. 3891 - 337

This Hand-Winding model from 1975 features a 34mm Two-Tone case. It features a White dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-f0a556cc139d]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1975

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