Seiko Cal. 3837 - 257

The Seiko 3837-257 represents an important milestone in Seiko's 1975 lineup. It features a Green dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-c8a895486b6b]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1975

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