Seiko Cal. 6138 - 270

This Hand-Winding model from 1992 features a 39mm PVD Black case. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-bb4c2e0f9fde]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1992

Related Models

• Seiko 7048-983
• Seiko 6652-927
• Seiko 5261-386
• Seiko 7160-112
• Seiko 5637-213
• Seiko 6180-383
• Seiko 5688-911
• Seiko 4550-833
• Seiko 6327-708
• Seiko 4552-926
• Seiko 4536-346
• Seiko 4426-288